Chandana N. TDe Silva D. S. MAmarathunga A. A. DHettige N. DPerera H. A. C. C2025-09-172025-09-172025-05https://dr.ichemc.ac.lk/handle/123456789/443Page 59 Abstract No: 2025_313Microplastics (≤5 mm) are emerging global pollutants. Their accumulation in freshwater ecosystems converts these into contaminant sinks, making microplastic pollution a significant global issue.enBadulu oyafreshwatermicroplasticssedimentUma oyaAssessment of microplastic pollution in water and sediment: a preliminary study in Uma-oya and Badulu-oya sub-catchments of the Mahaweli river, Sri LankaArticle